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https://issues.apache.org/jira/browse/YARN-4556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15258379#comment-15258379
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Eric Badger commented on YARN-4556:
-----------------------------------
Thanks, [~eepayne]!
> TestFifoScheduler.testResourceOverCommit fails
> -----------------------------------------------
>
> Key: YARN-4556
> URL: https://issues.apache.org/jira/browse/YARN-4556
> Project: Hadoop YARN
> Issue Type: Test
> Components: scheduler, test
> Reporter: Akihiro Suda
> Assignee: Akihiro Suda
> Fix For: 2.7.3
>
> Attachments: YARN-4556-1.patch, YARN-4556-branch-2.7.001.patch
>
>
> From YARN-4548 Jenkins log:
> https://builds.apache.org/job/PreCommit-YARN-Build/10181/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_66.txt
> {code}
> Running
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler
> Tests run: 16, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 31.004 sec
> <<< FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler
> testResourceOverCommit(org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler)
> Time elapsed: 4.746 sec <<< FAILURE!
> java.lang.AssertionError: expected:<-2048> but was:<0>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at org.junit.Assert.assertEquals(Assert.java:542)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler.testResourceOverCommit(TestFifoScheduler.java:1142)
> {code}
> https://github.com/apache/hadoop/blob/8676a118a12165ae5a8b80a2a4596c133471ebc1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java#L1142
> It seems that Jenkins has been hitting this intermittently since April 2015
> https://www.google.com/search?q=TestFifoScheduler.testResourceOverCommit
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